Bard S8406-105 Control Els PW 17895 Does this require batteries for

Does this require batteries for operation

This sequencing relay is engineered to maximize SEER efficiency by circulating residual conditioned air into the living space

For contractors managing fluid power and compressed air systems

protecting the system from hazardous flue gas recirculation or vent blockage issues

Bard S8406-105 Control Els PW 17895 Does this require batteries forThe Bard S8406 105 is a high precision low ambient fan cycle control engineered to regulate condenser fan operation in external cooling environments. Designed as the direct OEM replacement for 8406 105, this pressure actuated switch is critical for maintaining stable head pressure when outdoor temperatures drop below standard operating thresholds. By cycling the fan motor, the S8406 105 prevents evaporator coil freeze ups and ensures consistent